FLENDER Standard Couplings - DS TECH

© Siemens AG 2011
FLENDER Standard Couplings
Flexible Couplings — N-EUPEX and N-EUPEX DS Series
General information
■ Technical data
Power ratings of the N-EUPEX series
Size
Rated torque for
flexible type
Torsional stiffness at 50 %
capacity utilization for flexible type
Assembly
Permitted shaft misalignment at
n =1500rpm 1)
65 ShoreA 80 ShoreA 90 ShoreA 65 ShoreA 80 ShoreA 90 ShoreA Gap
dimension 2) Axial Radial Angle
1275 Newton, local 15
Boucherville, Qc,
Canada, J4B 5H2
T KN T KN T KN C Tdyn 50 % C Tdyn 50 % C Tdyn 50 % ∆S ∆K a ∆K r ∆K w
Nm Nm Nm kNm/rad kNm/rad kNm/rad mm mm mm °
58 11 19 19 0.21 0.50 0.93 1.0 0.2 0.2 0.15
68 21 34 34 0.39 0.90 1.80 1.0 0.2 0.2 0.15
80 37 60 60 1.05 2.40 4.50 1.0 0.2 0.2 0.12
95 63 100 100 1.64 4.00 7.40 1.0 0.2 0.2 0.12
110 100 160 160 2.49 6.00 11.4 1.0 0.2 0.2 0.10
125 150 240 240 3.70 9.00 17 1.0 0.25 0.25 0.10
140 230 360 360 5.60 13.2 25 1.0 0.25 0.25 0.10
160 350 560 560 11.2 26.7 51 2.0 0.3 0.3 0.10
180 550 880 880 19.2 46 88 2.0 0.3 0.3 0.10
200 850 1340 1340 31.6 75 139 2.0 0.3 0.3 0.09
225 1260 2000 2000 48 115 212 2.0 0.35 0.35 0.09
250 1760 2800 2800 68 162 302 2.5 0.35 0.35 0.08
280 2460 3900 3900 95 226 420 2.5 0.4 0.4 0.08
315 3500 5500 5500 171 370 730 2.5 0.4 0.4 0.08
350 4850 7700 7700 235 520 950 2.5 0.5 0.5 0.08
400 6500 10300 10300 316 750 1420 2.5 0.5 0.5 0.08
440 8500 13500 13500 390 930 1920 2.5 0.6 0.6 0.08
480 10500 16600 16600 510 1200 2300 2.5 0.6 0.6 0.07
520 13300 21200 21200 600 1410 2710 2.5 0.65 0.65 0.07
560 18300 29000 29000 1000 2340 4400 3.0 0.65 0.65 0.07
610 24000 38000 38000 1300 3030 5700 3.0 0.75 0.75 0.07
660 30900 49000 49000 1640 3800 7100 3.0 0.8 0.8 0.07
710 39000 62000 62000 2140 4900 9100 3.0 0.9 0.9 0.07
7
For maximum coupling torque:
T Kmax =3.0⋅ T KN
For coupling overload torque:
T KOL =3.5⋅ T KN
For coupling fatigue torque: T KW =0.15⋅ T KN , where T N > T W
must be adhered to.
Torsional stiffness and damping
The values stated in the above table apply to a capacity utilization
of 50 %, an excitation amplitude of 10 % T KN with the frequency
10 Hz and an ambient temperature of 20 °C. Dynamic
torsional stiffness is dependent on load and increases in proportion
to capacity utilization. The following table shows the correction
factors for different nominal loads.
C Tdyn = C Tdyn 50 % ⋅ FKC
Correction factor FKC
65/80/90 ShoreA
Capacity utilization T N / T KN
20 % 40 % 50 % 60 % 70 % 80 % 100 %
0.54 0.84 1.00 1.18 1.36 1.55 1.97
Permitted shaft misalignment
The permitted shaft misalignment depends on the operating
speed. As the speed increases, lower shaft misalignment values
are permitted. The following table shows the correction factors
for different speeds.
The maximum speed for the respective coupling size must be
observed!
∆K perm = ∆K 1500 ⋅ FKV
Speed in rpm
500 1000 1500 3000
Correction factor FKV 1.7 1.2 1.0 0.70
The axial misalignment may occur dynamically at frequencies
up to 10 Hz. For fitting, a maximum gap dimension of
Smax.=S+∆S and a minimum gap dimension of
S min. = S – ∆S are permitted.
Shaft misalignments ∆K a , ∆K r and ∆K w may occur simultaneously.
The damping coefficient is Ψ =1.4
(450) 655-7447
info@pt-dstech.com
www.dstech.ca
Furthermore, torsional stiffness and damping depend on the ambient
temperature and the frequency and amplitude of the torsional
vibration excitation. More precise torsional stiffness and
damping parameters on request.
1)
The maximum speed of the respective type must be noted. For further
information on permissible shaft misalignment, please see the operating
instructions.
2)
Does not apply to type H.
Siemens MD 10.1 · 2011
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